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Author: O. El-Kholy Publisher: Springer Science & Business Media ISBN: 9401122806 Category : Science Languages : en Pages : 877
Book Description
Our planet is under siege. Assaults on the atmosphere -the greenhouse effect, the depletion of the ozone layer and increasing air pollution - pose a still unquantified threat to human life. The dumping of hazardous wastes, and land based sources of pollution, present a similar threat to the oceans. On land we are destroying a tropical forest the size of Austria every year, and more than a hundred species of wild plants and animals are lost forever each day. When the General Assembly of the United Nations established UNEP it charged us with reporting on the changing state of the world's environment, tracking the underlying causes of change, and working with governments to develop responses to those changes. Every year since 1974, UNEP has produced a State of the Environment report, focusing on one or more emerging environmental issues and always stressing the human factor -the impact of environmental quality on people and society. Three times since its inception (1982, 198 7 and 1992) UNEP has undertaken a more wide-ranging study. The results of the present study are the most disturbing of the three. However, not all the signs are negative. Throughout the 19 70s and into the 1980s, UNEP was able to report progress in some important areas. Environmental monitoring capacity was being rapidly improved in many parts of the world, and Ministries of the Environment were being set up in an attempt to deal with environmental threats in a more coherent way.
Author: Rachel Carson Publisher: Houghton Mifflin Harcourt ISBN: 9780618249060 Category : Nature Languages : en Pages : 404
Book Description
The essential, cornerstone book of modern environmentalism is now offered in a handsome 40th anniversary edition which features a new Introduction by activist Terry Tempest Williams and a new Afterword by Carson biographer Linda Lear.
Author: United Nations Environment Programme Publisher: Springer Science & Business Media ISBN: Category : Science Languages : en Pages : 908
Book Description
Published by CandH on behalf of the United Nations Environment Programme which publishes a state of the environment report every year and has produced a more wide-ranging study three times since its inception (1982, 1987, and 1992). Material is arranged in three major sections detailing the range of environmental threats and how they have unfolded over the past two decades, reviewing the different sectors of the economy and how each has impacted on the human environment, and analyzing responses to the changing environment. Annotation copyright by Book News, Inc., Portland, OR
Author: P. D. Sharma Publisher: Rastogi Publications ISBN: 9788171339051 Category : Air Languages : en Pages : 616
Book Description
1. Introduction 2. Climatic and Topographic Factors 3. Edaphic Factors (Soil Science)4. Biotic Factor 5. Ecological Adaptations 6. Autecology of Species 7. Population - Structure and Dynamics 8. Community-Structure and Classification 9. Community Dynamics (Ecological Succession)10. Ecosystem: Structure and Function 11. Habitat Ecology 12. Degradation of Natural Resources andthe Environmental Problems 13. Energy Crisis and Non-Conventional Sources 14. Biodiversity and Wildlife of India and its Conservation 15. Environment and Development-India's Viewpoint16. Global Warming and Climate Change 17.